Quote Originally Posted by ddonate View Post
The memory is increased when I set a QML file path to my Loader, but I thought the memory used when loaded is freed when setting the loader source to ""
It is. As you found out it is not increased again when you load again, so the memory must have been released before the second loading.

Quote Originally Posted by ddonate View Post
(so the memory used by my application decreases), isn't it correct?
Yes, but since you haven't use any memory measurement tool you are not seeing it.

See d_stranz's post for some reasons why the system might not have reclaimed the freed memory.

Cheers,
_